//
// Author:
//   Jb Evain (jbevain@gmail.com)
//
// Copyright (c) 2008 - 2015 Jb Evain
// Copyright (c) 2008 - 2011 Novell, Inc.
//
// Licensed under the MIT/X11 license.
//

using System;

namespace ILRuntime.Mono.Cecil.Cil
{

    public sealed class SequencePoint
    {

        internal InstructionOffset offset;
        Document document;

        int start_line;
        int start_column;
        int end_line;
        int end_column;

        public int Offset
        {
            get { return offset.Offset; }
        }

        public int StartLine
        {
            get { return start_line; }
            set { start_line = value; }
        }

        public int StartColumn
        {
            get { return start_column; }
            set { start_column = value; }
        }

        public int EndLine
        {
            get { return end_line; }
            set { end_line = value; }
        }

        public int EndColumn
        {
            get { return end_column; }
            set { end_column = value; }
        }

        public bool IsHidden
        {
            get { return start_line == 0xfeefee && start_line == end_line; }
        }

        public Document Document
        {
            get { return document; }
            set { document = value; }
        }

        internal SequencePoint(int offset, Document document)
        {
            if (document == null)
                throw new ArgumentNullException("document");

            this.offset = new InstructionOffset(offset);
            this.document = document;
        }

        public SequencePoint(Instruction instruction, Document document)
        {
            if (document == null)
                throw new ArgumentNullException("document");

            offset = new InstructionOffset(instruction);
            this.document = document;
        }
    }
}
